Oracle PL/SQL - PL SQL Introduction Code Element

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Introduction

The PL/SQL lexical set of elements consists of identifiers, delimiters, literals, and comments.

The valid characters are as follows:

  • Upper- and lowercase letters: A?Z and a?z
  • Numerals: 0?9
  • Symbols: ( ) + - * / < > = ! ~ ^ ; : . ' @ % , " # $ & _ | { } ? [ ]
  • Tabs, spaces, and carriage returns

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